border-bottom-width

The border-bottom-width CSS property sets the width of the bottom border of a box.

Syntax

border-bottom-width: 10em /* Any value */
border-bottom-width: 3vmax
border-bottom-width: 6px

border-bottom-width: thin /* A keyword */
border-bottom-width: medium
border-bottom-width: thick

border-right-width: inherit

Example

<!DOCTYPE HTML>
<html>
    <head>
        <title>CSS Tutorials</title>
        <style>
            div {
                border-bottom-width: thin;
                border-bottom-style: solid;
                border-bottom-color: #000;
            }
        </style>
    </head>
    <body>
        <div>
            border bottom style 
        </div>
    </body>
</html>